Product comparison · 2 optical disc drives

LG GP30NW optical disc drive DVD±RW White vs LG GP40NB40 optical disc drive DVD±R/RW Black

34specifications compared
13differ
21identical
20known for one product only

Key differences

Product colour
- GP30NW optical disc drive DVD±RW White:White
- GP40NB40 optical disc drive DVD±R/RW Black:Black
Optical drive type
- GP30NW optical disc drive DVD±RW White:DVD±RW
- GP40NB40 optical disc drive DVD±R/RW Black:DVD±R/RW
CD rewrite speed
- GP30NW optical disc drive DVD±RW White:16x
- GP40NB40 optical disc drive DVD±R/RW Black:24x
CD-RW write speed
- GP30NW optical disc drive DVD±RW White:16x
- GP40NB40 optical disc drive DVD±R/RW Black:24x
DVD-RAM write speed
- GP30NW optical disc drive DVD±RW White:5x
- GP40NB40 optical disc drive DVD±R/RW Black:4x
DVD-R Double Layer read speed
- GP30NW optical disc drive DVD±RW White:6x
- GP40NB40 optical disc drive DVD±R/RW Black:8x
DVD+R Double Layer read speed
- GP30NW optical disc drive DVD±RW White:6x
- GP40NB40 optical disc drive DVD±R/RW Black:8x
DVD drive average random access time
- GP30NW optical disc drive DVD±RW White:160 ms
- GP40NB40 optical disc drive DVD±R/RW Black:203 ms

Side by side

Differences highlightedShow differences only

Comparison of GP30NW, GP40NB40
54 specifications	A LG GP30NW optical disc drive DVD±RW White Model GP30NW View product	B LG GP40NB40 optical disc drive DVD±R/RW Black Model GP40NB40 View product
Design1 differ
Internal	No	No
Product colourDiffers	White	Black
MountingKnown for one	Unknown — not stated by the source	Horizontal
CertificationKnown for one	Unknown — not stated by the source	TUV, SEMKO, FDA, GOST, NOM, CSA
Performance1 differ
Optical drive typeDiffers	DVD±RW	DVD±R/RW
Disc types supportedKnown for one	CD, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW	Unknown — not stated by the source
Interface	USB 2.0	USB 2.0
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
DVD-ROM transfer rate (sustained mode)Known for one	11.08 MB/s	Unknown — not stated by the source
LightScribeKnown for one	Unknown — not stated by the source	No
Writing speed3 differ
CD write speed	24x	24x
CD rewrite speedDiffers	16x	24x
CD-R write speed	24x	24x
CD-RW write speedDiffers	16x	24x
DVD+R Double Layer write speed	6x	6x
DVD+R write speed	8x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	6x	6x
DVD-R write speed	8x	8x
DVD-RAM write speedDiffers	5x	4x
DVD-RW write speed	6x	6x
Reading speed2 differ
CD read speed	24x	24x
CD-R read speed	24x	24x
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speed	24x	24x
DVD+R read speed	8x	8x
DVD-R Double Layer read speedDiffers	6x	8x
DVD-R read speed	8x	8x
DVD-RAM read speed	5x	5x
DVD-ROM read speed	8x	8x
DVD-RW read speed	8x	8x
DVD+R Double Layer read speedDiffers	6x	8x
DVD+RW read speed	8x	8x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	203 ms
CD-ROM drive average random access timeDiffers	140 ms	139 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 50 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	128 mm	156.8 mm
DepthDiffers	127 mm	24.6 mm
HeightDiffers	12.7 mm	146.2 mm
WeightDiffers	270 g	265 g
Other featuresidentical
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium III 1.0GHz	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	20 GB	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000/XP/Vista, Mac OS X	Unknown — not stated by the source
Number of optical discs	1 discs	1 discs
USB 2.0 ports quantity	1	1
Drive device, transfer rateKnown for one	Unknown — not stated by the source	60 MB/s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	11.08 Mbit/s
SafetyKnown for one	Unknown — not stated by the source	CE, C-Tick, EMC, VCCI, FCC

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More optical disc drive comparisons

All optical disc drive comparisons